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by varying carrier frequency at or within predetermined or random intervals
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ELECTRICITY
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Electric communication
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SECRET COMMUNICATION JAMMING OF COMMUNICATION
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Secret communication
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H04K1/003
by varying carrier frequency at or within predetermined or random intervals
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Systems and methods for variable-length encoding and decoding for e...
Patent number
12,028,333
Issue date
Jul 2, 2024
KARA PARTNERS LLC
Brian Penny
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Communication system
Patent number
11,936,465
Issue date
Mar 19, 2024
MaxLinear, Inc.
Stephan Pruecklmayer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Application of key exchange based physical layer security methods
Patent number
11,811,506
Issue date
Nov 7, 2023
ISTANBUL TEKNIK UNIVERSITESI
Ali Yilmaz Yildirim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Methods and devices for the concealment of radio identifiers and tr...
Patent number
11,716,165
Issue date
Aug 1, 2023
Bayerische Motoren Werke Aktiengesellschaft
Martin Salfer
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Communication system
Patent number
11,088,758
Issue date
Aug 10, 2021
MaxLinear, Inc.
Stephan Pruecklmayer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Method for processing data by means of an electronic data-acquisiti...
Patent number
10,938,448
Issue date
Mar 2, 2021
INGENICO GROUP
Marc Beunardeau
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Systems and methods for variable-length encoding and decoding for e...
Patent number
10,917,403
Issue date
Feb 9, 2021
KARA PARTNERS LLC
Brian Penny
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Network communication methods and apparatus
Patent number
10,715,414
Issue date
Jul 14, 2020
Ribbon Communications Operating Company, Inc.
Karl May
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Determining a frequency for propulsor engine communication sessions
Patent number
10,623,130
Issue date
Apr 14, 2020
Rolls-Royce North American Technologes, Inc.
Richard Joseph Skertic
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Patent Grant
Transmission security method using bounded arbitrary frequency modu...
Patent number
10,535,283
Issue date
Jan 14, 2020
United States of America as represented by Secretary of the Navy
Gregory K. Fleizach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Systems and methods for variable-length encoding and decoding for e...
Patent number
10,516,663
Issue date
Dec 24, 2019
KARA PARTNERS LLC
Brian Penny
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Multi-protocol communications between host devices and stylus devices
Patent number
10,439,753
Issue date
Oct 8, 2019
Microsoft Technology Licensing, LLC
Benjamin Imanilov
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Device and method for sound wave communication
Patent number
10,425,184
Issue date
Sep 24, 2019
DANSOL PLUS CO., LTD.
Chang Soon Yim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Network communication methods and apparatus
Patent number
10,298,480
Issue date
May 21, 2019
Ribbon Communications Operating Company, Inc.
Karl May
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure open-air communication system utilizing multi-channel decoye...
Patent number
9,596,049
Issue date
Mar 14, 2017
AT&T Intellectual Property II, L.P.
David M. Britz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Secure wireless communications
Patent number
9,008,314
Issue date
Apr 14, 2015
Verizon Patent and Licensing Inc.
Scott D. Arena
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Method, system, and devices for fast session transfer of wireless d...
Patent number
8,908,862
Issue date
Dec 9, 2014
STMicroelectronics, Inc.
Liwen Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure open-air communication system utilizing multichannel decoyed...
Patent number
8,767,958
Issue date
Jul 1, 2014
AT&T Intellectual Property II, LP
David M. Britz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-mode communication unit
Patent number
8,666,341
Issue date
Mar 4, 2014
Ultra Electronics TCS Inc.
Alexandre Marsolais
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for reducing probability of detection, improvi...
Patent number
8,462,951
Issue date
Jun 11, 2013
Apple Inc.
David Steer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure open-air communication system utilizing multi-channel decoye...
Patent number
8,259,933
Issue date
Sep 4, 2012
AT&T Intellectual Property II, L.P.
David M. Britz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Confidential transmission of data by change of frequency in a telec...
Patent number
8,121,141
Issue date
Feb 21, 2012
France Telecom
Tahar Jarboui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure open-air communication system utilizing multi-channel decoye...
Patent number
7,848,517
Issue date
Dec 7, 2010
AT&T Intellectual Property II, L.P.
David M. Britz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure analog communication system using time and wavelength scramb...
Patent number
7,609,968
Issue date
Oct 27, 2009
Nortel Networks Limited
Michael Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Scrambled chirp frequency jitter for feature suppression
Patent number
7,308,043
Issue date
Dec 11, 2007
Rockwell Collins, Inc.
Robert J. Frank
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for encoding and decoding of audio transmissio...
Patent number
5,598,471
Issue date
Jan 28, 1997
South African Microelectronic Systems Ltd.
Pieter Rademeyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of hardening transmissions, in particular between a control...
Patent number
5,438,332
Issue date
Aug 1, 1995
Thomson-CSF
Daniel Adam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for influencing an acoustic source, in particular of a subme...
Patent number
5,208,784
Issue date
May 4, 1993
Gunther Laukien
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Privacy communication device
Patent number
5,181,246
Issue date
Jan 19, 1993
Mitsubishi Denki Kabushiki Kaisha
Tsutomu Miki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Decoder to decode an encrypted sound
Patent number
5,144,666
Issue date
Sep 1, 1992
SGS-Thomson Microelectronics S.A.
Maurice Le Van Suu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR VARIABLE-LENGTH ENCODING AND DECODING FOR E...
Publication number
20240356913
Publication date
Oct 24, 2024
Kara Partners LLC
Brian Penny
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION SYSTEM
Publication number
20240223271
Publication date
Jul 4, 2024
MaxLinear, Inc.
Stephan Pruecklmayer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPERATING METHOD OF ELECTRONIC APPARATUS FOR TRANSMITTING SIGNAL AN...
Publication number
20230299868
Publication date
Sep 21, 2023
AGENCY FOR DEFENSE DEVELOPMENT
Ju Hyung LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
JOINT RANDOM SUBCARRIER SELECTION AND CHANNEL-BASED ARTIFICIAL SIGN...
Publication number
20230082251
Publication date
Mar 16, 2023
Istanbul Medipol Universitesi
Sanaz NADERI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPLICATION OF KEY EXCHANGE BASED PHYSICAL LAYER SECURITY METHODS
Publication number
20220094460
Publication date
Mar 24, 2022
ISTANBUL TEKNIK UNIVERSITESI
Ali Yilmaz YILDIRIM
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM
Publication number
20210376921
Publication date
Dec 2, 2021
MaxLinear, Inc.
Stephan Pruecklmayer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR VARIABLE-LENGTH ENCODING AND DECODING FOR E...
Publication number
20210168131
Publication date
Jun 3, 2021
Kara Partners LLC
Brian Penny
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Methods and Devices for the Concealment of Radio Identifiers and Tr...
Publication number
20210099245
Publication date
Apr 1, 2021
Bayerische Motoren Werke Aktiengesellschaft
Martin SALFER
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEMS AND METHODS FOR VARIABLE-LENGTH ENCODING AND DECODING FOR E...
Publication number
20200084200
Publication date
Mar 12, 2020
Kara Partners LLC
Brian Penny
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NETWORK COMMUNICATION METHODS AND APPARATUS
Publication number
20190222502
Publication date
Jul 18, 2019
Ribbon Communications Operating Company, Inc.
Karl May
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DETERMINING A FREQUENCY FOR PROPULSOR ENGINE COMMUNICATION SESSIONS
Publication number
20190036638
Publication date
Jan 31, 2019
Rolls-Royce North American Technologies, Inc.
Richard Joseph Skertic
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
MULTI-PROTOCOL COMMUNICATIONS BETWEEN HOST DEVICES AND STYLUS DEVICES
Publication number
20180343079
Publication date
Nov 29, 2018
Microsoft Technology Licensing, LLC
Benjamin Imanilov
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION SYSTEM
Publication number
20180026711
Publication date
Jan 25, 2018
Intel Corporation
Stephan Pruecklmayer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEVICE AND METHOD FOR SOUND WAVE COMMUNICATION
Publication number
20170288805
Publication date
Oct 5, 2017
DANSOL PLUS CO., LTD.
Chang Soon YIM
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SUBCHANNEL SECURITY AT THE OPTICAL LAYER
Publication number
20140193154
Publication date
Jul 10, 2014
Trevor Graham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD, SYSTEM, AND DEVICES FOR FAST SESSION TRANSFER OF WIRELESS D...
Publication number
20130266136
Publication date
Oct 10, 2013
STMicroelectronics, Inc.
Liwen Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL DEVICE, TERMINAL APPARATUS, AND COMMUNICATION SYSTEM
Publication number
20130145030
Publication date
Jun 6, 2013
PANASONIC CORPORATION
Yuki Ohira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURE OPEN-AIR COMMUNICATION SYSTEM UTILIZING MULTICHANNEL DECOYED...
Publication number
20130010951
Publication date
Jan 10, 2013
AT&T INTELLECTUAL PROPERTY I, L.P.
David M. Britz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTI-MODE COMMUNICATION UNIT
Publication number
20120302155
Publication date
Nov 29, 2012
Alexandre MARSOLAIS
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Secure Open-Air Communication System Utilizing Multi-Channel Decoye...
Publication number
20110033044
Publication date
Feb 10, 2011
AT&T CORP.
David M. Britz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR REDUCING PROBABILITY OF DETECTION, IMPROVI...
Publication number
20110033051
Publication date
Feb 10, 2011
Nortel Networks Limited
David Steer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONFIDENTIAL TRANSMISSION OF DATA BY CHANGE OF FREQUENCY IN A TELEC...
Publication number
20100177782
Publication date
Jul 15, 2010
FRANCE TELECOM
Tahar Jarboui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURE WIRELESS COMMUNICATIONS
Publication number
20100124332
Publication date
May 20, 2010
Verizon Corporate Resources Group LLC
Scott D. ARENA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable digital devices
Publication number
20070129012
Publication date
Jun 7, 2007
Iceberg Systems Limited
Patrick E. Snow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Secure analog communication system using time and wavelength scramb...
Publication number
20060285848
Publication date
Dec 21, 2006
Nortel Networks Limited
Michael Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Secure open-air communication system utilizing multi-channel decoye...
Publication number
20060209766
Publication date
Sep 21, 2006
AT&T Corp.
David M. Britz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for providing phase coherent communication in...
Publication number
20040203881
Publication date
Oct 14, 2004
Billy G. Echols
H04 - ELECTRIC COMMUNICATION TECHNIQUE